片手バックの振り遅れが「激減」する方法【テニス】

[Private Lessons, Online Lessons] I've started! Applications are now being accepted on my official LINE! Shodai Konishi Official LINE https://lin.ee/H4UsfZA Apply for a trial lesson through Tennis Bear ⬇︎ https://www.tennisbear.net/user/94062... I'm looking for sponsors to support my career. If you're interested, please contact me via Instagram DM Username: shotakonishi.tennis [↓Become a member of this channel for ¥290↓] ・Discount on online lessons! 🈹 (Details on my official LINE) ・Watch private videos ・Game videos that have been released to the public ・Watch videos before they're released to the public Thank you for your support! *Posts are irregular.    / @shota.konishi.tennis   To increase the value of my livestreams, I will only respond to comments on archived videos or videos that are interesting or require a response. Let's chat on the livestream! Shodai Konishi A tennis player aiming to become a professional from the very bottom Born May 31, 2000, Koto Ward, Tokyo Based at Tennis Lab, headed by former Davis Cup coach Eiji Takeuchi Best junior result: First round at the Osaka Junior Under-18s Highest ranking in Japan: 133rd I'm aiming to become a professional from the very bottom and reach the top 50 in Japan. Please support me! [Training Gear Every Tennis Player Should Have] NISHI 1kg Medicine Ball https://amzn.to/3WrtPfH 300g Weighted Ball https://amzn.to/4jG87xv Yellow Training Tube https://www.amazon.co.jp/dp/B006CDCM0... VRTX Training Tube (5-14kg Load) https://amzn.to/47fCF6n